29,559 campgrounds
Umpqua National Forest
Beaverhead National Forest
Huron National Forest
Humboldt National Forest
Okanogan National Forest
George Washington National Forest
Prescott National Forest
Routt National Forest
Custer National Forest
Nezperce National Forest
Six Rivers National Forest
Coronado National Forest
Gallatin National Forest
Shasta National Forest
Tahoe National Forest
Coeur d'Alene National Forest
Malheur National Forest
Little Missouri National Grassland
Bitterroot National Forest
Toiyabe National Forest
Hoosier National Forest
